PBXnSIP, a specialist in SIP based IPPBX software has granted official interoperability with VoIP Unlimited’s business grade SIP trunk services.

Says Steve Bieniek, sales director for VoIP Unlimited: “We are pleased to add yet another quality vendor to our IPPBX partners and look forward to supporting their reseller base with a high quality channel offering. There is strong demand from the market for SIP based solutions due to the increased flexibility it offers around number management and call capacity.�

John Bennett, European sales director adds: “Yes, we are extremely pleased with the pbxnsip IP PBX deployment alongside VoIP Unlimited SIP trunks. We have successfully implemented the SIP termination testing and can confirm interoperability between the products. We were also impressed with the quality. I can see great benefits of the two businesses working together.�